RHEL 7 : squid (RHSA-2025:14414)

high Nessus Plugin ID 254409

Synopsis

The remote Red Hat host is missing one or more security updates for squid.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:14414 advisory.

Squid is a high-performance proxy caching server for web clients, supporting FTP, and HTTP data objects.

Security Fix(es):

* squid: denial of service in URN processing (CVE-2021-28651)

* squid-cache: Squid Buffer Overflow (CVE-2025-54574)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL squid package based on the guidance in RHSA-2025:14414.

See Also

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=1962243

https://bugzilla.redhat.com/show_bug.cgi?id=2386026

http://www.nessus.org/u?6bceed4e

https://access.redhat.com/errata/RHSA-2025:14414

Plugin Details

Severity: High

ID: 254409

File Name: redhat-RHSA-2025-14414.nasl

Version: 1.1

Type: local

Agent: unix

Published: 8/25/2025

Updated: 8/25/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2021-28651

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:squid, p-cpe:/a:redhat:enterprise_linux:squid-sysvinit, cpe:/o:redhat:rhel_els:7, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:squid-migration-script

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/25/2025

Vulnerability Publication Date: 5/27/2021

Reference Information

CVE: CVE-2021-28651, CVE-2025-54574

CWE: 122, 400

RHSA: 2025:14414